Cost comparison of a sewage treatment plant unit by conventional method and BIM approach

Quantity estimate and cost analysis of a unit of Sewage treatment plant (STP) is done by manual method and with BIM automation. The components of the unit include inlet chamber, screen chamber (manual and automatic), grit chamber (manual and automatic) and distribution chamber. Construction specifications and unit rate are obtained from state schedule of rates for all the components of the STP unit. Non dimensional drawings of the STP are provided in pdf format for better visibility and excel sheets of quantity estimate is also provided.